private void linkedModeLeft() { fgActiveLinkedMode = null; if (fInfoPopup != null) { fInfoPopup.close(); } ISourceViewer viewer = fEditor.getViewer(); if (viewer instanceof IEditingSupportRegistry) { IEditingSupportRegistry registry = (IEditingSupportRegistry) viewer; registry.unregister(fFocusEditingSupport); } }
private void restoreFullSelection() { if (fOriginalSelection.y != 0) { int originalOffset = fOriginalSelection.x; LinkedPosition[] positions = fLinkedPositionGroup.getPositions(); for (int i = 0; i < positions.length; i++) { LinkedPosition position = positions[i]; if (!position.isDeleted() && position.includes(originalOffset)) { fEditor.getViewer().setSelectedRange(position.offset, position.length); return; } } } }
private Point computeWordStart() { ITextSelection selection = (ITextSelection) fEditor.getSelectionProvider().getSelection(); IRegion textRegion = DartWordFinder.findWord(fEditor.getViewer().getDocument(), selection.getOffset()); if (textRegion == null) { return null; } IRegion widgetRegion = modelRange2WidgetRange(textRegion); if (widgetRegion == null) { return null; } int start = widgetRegion.getOffset(); StyledText styledText = fEditor.getViewer().getTextWidget(); Point result = styledText.getLocationAtOffset(start); result.y += styledText.getLineHeight(start); if (!styledText.getClientArea().contains(result)) { return null; } return result; }
private IRegion modelRange2WidgetRange(IRegion region) { ISourceViewer viewer = fEditor.getViewer(); if (viewer instanceof ITextViewerExtension5) { ITextViewerExtension5 extension = (ITextViewerExtension5) viewer; return extension.modelRange2WidgetRange(region); } IRegion visibleRegion = viewer.getVisibleRegion(); int start = region.getOffset() - visibleRegion.getOffset(); int end = start + region.getLength(); if (end > visibleRegion.getLength()) { end = visibleRegion.getLength(); } return new Region(start, end - start); }
private RenameSupport undoAndCreateRenameSupport(String newName) throws CoreException { // Assumption: the linked mode model should be shut down by now. final ISourceViewer viewer = fEditor.getViewer(); try { if (!fOriginalName.equals(newName)) { IWorkbenchWindow workbenchWindow = fEditor.getSite().getWorkbenchWindow(); // undo workbenchWindow.run( false, true, new IRunnableWithProgress() { @Override public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { if (viewer instanceof ITextViewerExtension6) { IUndoManager undoManager = ((ITextViewerExtension6) viewer).getUndoManager(); if (undoManager instanceof IUndoManagerExtension) { IUndoManagerExtension undoManagerExtension = (IUndoManagerExtension) undoManager; IUndoContext undoContext = undoManagerExtension.getUndoContext(); IOperationHistory operationHistory = OperationHistoryFactory.getOperationHistory(); while (undoManager.undoable()) { if (fStartingUndoOperation != null && fStartingUndoOperation.equals( operationHistory.getUndoOperation(undoContext))) { return; } undoManager.undo(); } } } } }); // wait for analysis IProgressService progressService = PlatformUI.getWorkbench().getProgressService(); progressService.busyCursorWhile( new IRunnableWithProgress() { @Override public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { monitor.beginTask("Waiting for background analysis...", IProgressMonitor.UNKNOWN); try { RefactoringUtils.waitResolvedCompilationUnit(fEditor, monitor); RefactoringUtils.waitReadyForRefactoring(monitor); } finally { monitor.done(); } } }); // by some reason "busyCursorWhile" looses focus, so restore it fEditor.setFocus(); // get new Element, after background build finished prepareElement(); if (fDartElement == null) { return null; } } } catch (InvocationTargetException e) { throw new CoreException( new Status( IStatus.ERROR, DartToolsPlugin.getPluginId(), ReorgMessages.RenameLinkedMode_error_saving_editor, e)); } catch (InterruptedException e) { // canceling is OK return null; } viewer.setSelectedRange(fOriginalSelection.x, fOriginalSelection.y); if (newName.length() == 0) { return null; } return RenameSupport.create(fDartElement, newName); }
void doRename(boolean showPreview) { cancel(); Image image = null; Label label = null; fShowPreview |= showPreview; try { ISourceViewer viewer = fEditor.getViewer(); if (viewer instanceof SourceViewer) { SourceViewer sourceViewer = (SourceViewer) viewer; Control viewerControl = sourceViewer.getControl(); if (viewerControl instanceof Composite) { Composite composite = (Composite) viewerControl; Display display = composite.getDisplay(); // Flush pending redraw requests: while (!display.isDisposed() && display.readAndDispatch()) {} // Copy editor area: GC gc = new GC(composite); Point size; try { size = composite.getSize(); image = new Image(gc.getDevice(), size.x, size.y); gc.copyArea(image, 0, 0); } finally { gc.dispose(); gc = null; } // Persist editor area while executing refactoring: label = new Label(composite, SWT.NONE); label.setImage(image); label.setBounds(0, 0, size.x, size.y); label.moveAbove(null); } } String newName = fNamePosition.getContent(); if (fOriginalName.equals(newName)) { return; } RenameSupport renameSupport = undoAndCreateRenameSupport(newName); if (renameSupport == null) { return; } Shell shell = fEditor.getSite().getShell(); if (renameSupport.hasUnresolvedNameReferences()) { fShowPreview = true; } boolean executed; if (fShowPreview) { // could have been updated by undoAndCreateRenameSupport(..) executed = renameSupport.openDialog(shell, true); } else { renameSupport.perform(shell, fEditor.getSite().getWorkbenchWindow()); executed = true; } if (executed) { restoreFullSelection(); } } catch (CoreException ex) { DartToolsPlugin.log(ex); } catch (InterruptedException ex) { // canceling is OK -> redo text changes in that case? } catch (InvocationTargetException ex) { DartToolsPlugin.log(ex); } catch (BadLocationException e) { DartToolsPlugin.log(e); } finally { if (label != null) { label.dispose(); } if (image != null) { image.dispose(); } } }
public void start() { if (getActiveLinkedMode() != null) { // for safety; should already be handled in RenameDartElementAction fgActiveLinkedMode.startFullDialog(); return; } ISourceViewer viewer = fEditor.getViewer(); IDocument document = viewer.getDocument(); fOriginalSelection = viewer.getSelectedRange(); int offset = fOriginalSelection.x; try { fLinkedPositionGroup = new LinkedPositionGroup(); prepareElement(); if (fDartElement == null) { return; } if (viewer instanceof ITextViewerExtension6) { IUndoManager undoManager = ((ITextViewerExtension6) viewer).getUndoManager(); if (undoManager instanceof IUndoManagerExtension) { IUndoManagerExtension undoManagerExtension = (IUndoManagerExtension) undoManager; IUndoContext undoContext = undoManagerExtension.getUndoContext(); IOperationHistory operationHistory = OperationHistoryFactory.getOperationHistory(); fStartingUndoOperation = operationHistory.getUndoOperation(undoContext); } } fOriginalName = nameNode.getName(); final int pos = nameNode.getOffset(); final List<ASTNode> sameNodes = Lists.newArrayList(); nameNode .getRoot() .accept( new RecursiveASTVisitor<Void>() { @Override public Void visitSimpleIdentifier(SimpleIdentifier node) { Element element = node.getElement(); element = getCanonicalElement(element); if (Objects.equal(element, fDartElement)) { sameNodes.add(node); } return super.visitSimpleIdentifier(node); } }); // TODO: copied from LinkedNamesAssistProposal#apply(..): // sort for iteration order, starting with the node @ offset Collections.sort( sameNodes, new Comparator<ASTNode>() { @Override public int compare(ASTNode o1, ASTNode o2) { return rank(o1) - rank(o2); } /** * Returns the absolute rank of an <code>ASTNode</code>. Nodes preceding <code>pos * </code> are ranked last. * * @param node the node to compute the rank for * @return the rank of the node with respect to the invocation offset */ private int rank(ASTNode node) { int relativeRank = node.getOffset() + node.getLength() - pos; if (relativeRank < 0) { return Integer.MAX_VALUE + relativeRank; } else { return relativeRank; } } }); for (int i = 0; i < sameNodes.size(); i++) { ASTNode elem = sameNodes.get(i); LinkedPosition linkedPosition = new LinkedPosition(document, elem.getOffset(), elem.getLength(), i); if (i == 0) { fNamePosition = linkedPosition; } fLinkedPositionGroup.addPosition(linkedPosition); } fLinkedModeModel = new LinkedModeModel(); fLinkedModeModel.addGroup(fLinkedPositionGroup); fLinkedModeModel.forceInstall(); fLinkedModeModel.addLinkingListener(new EditorHighlightingSynchronizer(fEditor)); fLinkedModeModel.addLinkingListener(new EditorSynchronizer()); LinkedModeUI ui = new EditorLinkedModeUI(fLinkedModeModel, viewer); ui.setExitPosition(viewer, offset, 0, Integer.MAX_VALUE); ui.setExitPolicy(new ExitPolicy(document)); ui.enter(); viewer.setSelectedRange( fOriginalSelection.x, fOriginalSelection.y); // by default, full word is selected; restore original selection if (viewer instanceof IEditingSupportRegistry) { IEditingSupportRegistry registry = (IEditingSupportRegistry) viewer; registry.register(fFocusEditingSupport); } openSecondaryPopup(); // startAnimation(); fgActiveLinkedMode = this; } catch (BadLocationException e) { DartToolsPlugin.log(e); } }
protected Point computeMenuLocation(StyledText text) { if (fEditor == null || text != fEditor.getViewer().getTextWidget()) { return null; } return computeWordStart(); }